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My Westinghouse l2046nv screen just stopped working its turned on but does not show an image

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Do you have power or/and sound?

Posted on Oct 29, 2012

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Hello there! when I turn the monitor on it shows the the screen and the image on for about 3 seconds and then it goes back to the sleep mode and it doesn't turn back on what can I do to solve this issue


Bad news, when the DC filter caps went out it could damage a lot of components (fuse, MOSFET's, resistors) in the inverter circuits.
See my pictures here:
http://s807.photobucket.com/albums/yy352/budm/Westinghouse%20N2046NV/

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series

Dec 20, 2010 | Westinghouse L2046NV Monitor

1 Answer

Monitor will not turn on? westinghouse model L2046NV black screen will not turn on what should I do?


Do you see an orange light on the monitor anywhere? Usually the light turns green when the monitor comes on, but its orange when in "standby" mode. If your monitor is plugged in and you get an orange light, that usually means that your video card has gone out on your computer. When your video card goes out, the monitor doesn't receive a signal from your computer, so it doesn't know it is suppose to turn on. So if this is the case, you need to replace the video card on your computer


If your monitor doesn't turn on whatsoever, and everything is plugged in correctly, then you need to get a new monitor or send this one back to the manufacturer for a defective replacement.

Hope this helps! :)

May 03, 2010 | Westinghouse L2046NV Monitor

1 Answer

Screen dark and can barely see images


You may have failed capacitors in the power supply, and it may have taken out the transistors in the inverter circuits with it. You need to open it up and inspect the inside, post back what you see so we can guide you further: see failed monitors due to bad caps, lamps, transistors, etc.: http://s807.photobucket.com/home/budm/allalbums

Mar 18, 2010 | Westinghouse L2046NV Monitor

1 Answer

Westinghouse 22 lcd monitor. faint click and went


More likely the filter caps failed and may have taken out the inverter fuse and the MOSFET in the inverter circuits also. yoo need to open it up and inspect the inside, see example of failed monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums

Mar 09, 2010 | Westinghouse L2046NV Monitor

2 Answers

How do I reset my Westinghouse L2046NV monitor -- this monitor will turn on and light up and the picture will come on but then go off after 1 or 2 seconds -- any ideas ?


Hello, reseting your monitor will not solve the problem, what you need to do is replace the inverter board, if you would like to know price and availability for this model please send a request to parts@wde.com, they will let you know if they have the board, how mutch it is, and they will also troubleshoot with you over the phone at no charge to make sure that is what you need.

Dec 15, 2009 | Westinghouse L2046NV Monitor

2 Answers

Faint No Image / Backlight Out on Monitor Westinghouse L2046NV


Open up the unit. You should replace the damaged/bulged caps on it. You should also check the two MOSFETs before the transformers on the inverter section. If that does not do it, there's one SMD fuse beneath the card that normally blows when the MOSFETS fail. You should either replace it r bridge it with solder.

May 30, 2009 | Westinghouse L2046NV Monitor

1 Answer

Black screen


Hopefully, she registered it with Westinghouse. Call their tech support.

maybe a transaction printout from her bank account will suffice.

Mar 03, 2009 | Westinghouse 25.5" Widescreen Flat Panel...

3 Answers

L2046nv works for a short time then turns off light then goes red


I have the exact same problem! So if anyone knows whats up it would be helpful :) what make and model is your screen btw?

Jan 03, 2009 | Westinghouse L2046NV Monitor

5 Answers

No Image on Monitor Westinghouse L2046NV


well i just had this problem this morning i woke up turned on the monitor and it came on but went out. but i soon found out it was not the display that is not coming on its the black light. if you look closely you can see the display but there is no light to light it up so you can see. it doesent seem to be anything wrong with the circuit board just the black light i am going to be taking the monitor apart to see if there is anything me or any of you can do for the monitor to fix it.

Jul 26, 2008 | Westinghouse L2046NV Monitor

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